modified:   Util.hs
	modified:   testground.hs
	modified:   KBio.hs
	modified:   testground.hs
	modified:   KBio.hs
	modified:   testground.hs
        - Fix hedgerel generating error in HedgeClass (critical!)
        - Better modularization
	modified:   HedgeClass.hs
	modified:   Hgen.hs
	modified:   Util.hs
	modified:   testground.hs
        rename module: Util -> UtilA
	modified:   Ahedge.hs
	modified:   KBio.hs
	renamed:    Util.hs -> UtilA.hs
	modified:   testground.hs
        Add hierarchy: Util
	renamed:    Hio.hs -> DBio/Hio.hs
	renamed:    KBio.hs -> DBio/KBio.hs
	renamed:    Ahedge.hs -> Hedgen/Ahedge.hs
	renamed:    Hgen.hs -> Hedgen/Hgen.hs
	modified:   Util/UtilA.hs
	modified:   testground.hs
	modified:   DBio/Hio.hs
	modified:   HedgeTruth.hs
	modified:   Hedgen/Hgen.hs
	modified:   Util/UtilB.hs
	modified:   HedgeClass.hs
	modified:   HedgeClass.hs